2018 is a great year to sort your vision out 2018 will go down in history for many reasons. It’s the year Korea united under one flag at the Winter Olympics in PyeongChang, the year Nelson Mandela would have turned 100, the centenary of the end of fighting in the First World War, and the first time in history the World Cup will be held in Russia. Oh, and not forgetting the year Elon Musk launched a sports car complete with…